TY - CPAPER AU - Elena Akimova AU - Vladimir Misilov TI - GRADIENT METHOD WITH PRECONDITIONER FOR SOLVING NONLINEAR INVERSE GRAVIMETRY PROBLEM T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining PY - 2017 SP - 157 EP - 164 DO - 10.5593/sgem2017/14/s05.020 PB - STEF92 Technology ER -